--- /dev/null
+/*
+ PSPPIRE --- A Graphical User Interface for PSPP
+ Copyright (C) 2004 Free Software Foundation
+ Written by John Darrington
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
+
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "psppire-object.h"
+#include "psppire-case-array.h"
+#include "gtkextra-marshal.h"
+
+#include "case.h"
+
+/* --- prototypes --- */
+static void psppire_case_array_class_init (PsppireCaseArrayClass *class);
+static void psppire_case_array_init (PsppireCaseArray *case_array);
+static void psppire_case_array_finalize (GObject *object);
+
+
+/* --- variables --- */
+static GObjectClass *parent_class = NULL;
+
+enum {CASE_CHANGED,
+ CASE_INSERTED,
+ CASES_DELETED,
+ n_SIGNALS};
+
+static guint signal[n_SIGNALS];
+
+
+/* --- functions --- */
+/**
+ * psppire_case_array_get_type:
+ * @returns: the type ID for accelerator groups.
+ */
+GType
+psppire_case_array_get_type (void)
+{
+ static GType object_type = 0;
+
+ if (!object_type)
+ {
+ static const GTypeInfo object_info = {
+ sizeof (PsppireCaseArrayClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) psppire_case_array_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (PsppireCaseArray),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) psppire_case_array_init,
+ };
+
+ object_type = g_type_register_static (G_TYPE_PSPPIRE_OBJECT, "PsppireCaseArray",
+ &object_info, 0);
+ }
+
+ return object_type;
+}
+
+
+static void
+psppire_case_array_class_init (PsppireCaseArrayClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ parent_class = g_type_class_peek_parent (class);
+
+ object_class->finalize = psppire_case_array_finalize;
+
+ signal[CASE_CHANGED] =
+ g_signal_new ("case_changed",
+ G_TYPE_FROM_CLASS(class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ signal[CASE_INSERTED] =
+ g_signal_new ("case_inserted",
+ G_TYPE_FROM_CLASS(class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1,
+ G_TYPE_INT);
+
+
+ signal[CASES_DELETED] =
+ g_signal_new ("cases_deleted",
+ G_TYPE_FROM_CLASS(class),
+ G_SIGNAL_RUN_FIRST,
+ 0,
+ NULL, NULL,
+ gtkextra_VOID__INT_INT,
+ G_TYPE_NONE,
+ 2,
+ G_TYPE_INT,
+ G_TYPE_INT);
+}
+
+static void
+psppire_case_array_finalize (GObject *object)
+{
+ PsppireCaseArray *ca = PSPPIRE_CASE_ARRAY (object);
+
+ gint i;
+ for (i = 0 ; i < ca->size; ++i )
+ case_destroy(&ca->cases[i]);
+
+ g_free (ca->cases);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+psppire_case_array_init (PsppireCaseArray *ca)
+{
+ ca->cases = 0;
+ ca->size = 0;
+}
+
+/**
+ * psppire_case_array_new:
+ * @returns: a new #PsppireCaseArray object
+ *
+ * Creates a new #PsppireCaseArray.
+ */
+PsppireCaseArray*
+psppire_case_array_new (gint capacity, gint width)
+{
+ PsppireCaseArray *ca = g_object_new (G_TYPE_PSPPIRE_CASE_ARRAY, NULL);
+
+ ca->capacity = capacity;
+ ca->width = width;
+
+ ca->cases = g_new0(struct ccase, capacity);
+
+ return ca;
+}
+
+
+void
+psppire_case_array_resize(PsppireCaseArray *ca, gint new_size)
+{
+ gint c;
+
+ for (c = 0 ; c < ca->size ; ++c )
+ case_resize(&ca->cases[c], ca->width, new_size);
+
+ ca->width = new_size;
+}
+
+/* FIXME: add_case and insert_case need to be merged/refactored */
+gboolean
+psppire_case_array_add_case(PsppireCaseArray *ca,
+ psppire_case_array_fill_case_func fill_case_func,
+ gpointer aux)
+{
+ g_return_val_if_fail(ca->size < ca->capacity, FALSE);
+
+ case_create(&ca->cases[ca->size], ca->width);
+
+ if ( !fill_case_func(&ca->cases[ca->size], aux))
+ return FALSE;
+
+ ca->size++;
+
+ g_signal_emit(ca, signal[CASE_INSERTED], 0, ca->size - 1);
+
+ return TRUE;
+}
+
+
+gboolean
+psppire_case_array_iterate_case(PsppireCaseArray *ca,
+ psppire_case_array_use_case_func use_case_func,
+ gpointer aux)
+{
+ gint i;
+ g_return_val_if_fail(ca->size < ca->capacity, FALSE);
+
+ for (i = 0 ; i < ca->size ; ++i )
+ {
+ if ( !use_case_func(&ca->cases[i], aux))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+void
+psppire_case_array_insert_case(PsppireCaseArray *ca, gint posn)
+{
+ g_return_if_fail(posn >= 0);
+ g_return_if_fail(posn <= ca->size);
+
+ g_assert(ca->size + 1 <= ca->capacity);
+
+ gint i;
+
+ for(i = ca->size; i > posn ; --i)
+ case_move(&ca->cases[i], &ca->cases[i - 1]);
+
+ case_create(&ca->cases[posn], ca->width);
+
+ ca->size++;
+ g_signal_emit(ca, signal[CASE_INSERTED], 0, posn);
+}
+
+void
+psppire_case_array_delete_cases(PsppireCaseArray *ca, gint first, gint n_cases)
+{
+ g_return_if_fail(n_cases > 0);
+ g_return_if_fail(first >= 0);
+ g_return_if_fail(first + n_cases < ca->size);
+
+ gint i;
+
+ /* FIXME: Is this right ?? */
+ for ( i = first; i < first + n_cases ; ++i )
+ case_destroy(&ca->cases[i]);
+
+ for ( ; i < ca->size; ++i )
+ case_move(&ca->cases[i - n_cases], &ca->cases[i]);
+
+ ca->size -= n_cases;
+ g_signal_emit(ca, signal[CASES_DELETED], 0, first, n_cases);
+}
+
+
+gint
+psppire_case_array_get_n_cases(const PsppireCaseArray *ca)
+{
+ return ca->size;
+}
+
+/* Clears the contents of CA */
+void
+psppire_case_array_clear(PsppireCaseArray *ca)
+{
+ gint c;
+ for (c = 0 ; c < ca->size ; ++c )
+ case_destroy(&ca->cases[c]);
+
+ ca->size = 0;
+
+ g_signal_emit(ca, signal[CASES_DELETED], 0, 0, c);
+}
+
+/* Return the IDXth value from case C */
+const union value *
+psppire_case_array_get_value(const PsppireCaseArray *ca, gint c, gint idx)
+{
+ g_return_val_if_fail(c < ca->size, NULL);
+
+ return case_data(&ca->cases[c], idx);
+}
+
+
+/* Set the IDXth value of case C using FF and DATA */
+void
+psppire_case_array_set_value(PsppireCaseArray *ca, gint c, gint idx,
+ value_fill_func_t ff,
+ gpointer data)
+{
+ g_return_if_fail(c < ca->size);
+
+ struct ccase *cc = &ca->cases[c];
+
+ union value *val = case_data_rw(cc, idx);
+
+ gboolean changed = ff(val, data);
+
+ case_unshare(cc);
+
+ if ( changed )
+ g_signal_emit(ca, signal[CASE_CHANGED], 0, c);
+
+}
projects / pspp-builds.git / blobdiff